Development of a 17-Hole Omnidirectional Pressure Probe

摘要

Multihole pressure probes are the most common measurement technique to measure velocity vector, static and total pressure in three-dimensional flowfield. Their general principles, calibration methods, and data reduction algorithms have been studied in depth and documented well [1-10]. Conventional five- or seven-hole probes are capable of measuring flow velocity vector up to 75 deg from the probe axis [6]. For highly three-dimensional flow, the 18- or 12-hole probes recently developed by Rediniotis and Kinser [11] and Ramakrishnan and Rediniotis [12] are capable of measuring velocity vector up to nearly 160 deg from the probe axis. A general data reduction algorithm has been developed for these kinds of omnidirectional probes [13].